Home / 68,565.12-94,617.28-38,757.76

Finding the Fourth Proportional to 68,565.12, 94,617.28 and 38,757.76

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Solution

The fourth proportional to 68,565.12, 94,617.28 and 38,757.76 is: 53,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,565.12 : 94,617.28 = 38,757.76 : x
  2. Step 2: Convert to fraction form
    68,565.12/94,617.28 = 38,757.76/x
  3. Step 3: Cross multiply
    68,565.12x = 94,617.28 × 38,757.76
  4. Step 4: Simplify right side
    68,565.12x = 3,667,153,830.09
  5. Step 5: Solve for x
    x = 3,667,153,830.09/68,565.12
  6. Step 6: Final answer
    x = 53,484.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.